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Representing and Exchanging 3D City Models with CityGML

2008; Springer Nature; Linguagem: Inglês

10.1007/978-3-540-87395-2_2

1863-2351

Thomas H. Kolbe,

3D Surveying and Cultural Heritage

CityGML is an open data model and XML-based format for the representation and exchange of virtual 3D city models. It is based on the Geography Markup Language version 3.1.1 (GML3). Both CityGML and GML3 are international standards issued by the Open Geospatial Consortium (OGC). CityGML not only represents the shape and graphical appearance of city models but specifically addresses the object semantics and the representation of the thematic properties, taxonomies and aggregations. The paper gives an overview about CityGML, its modelling aspects and design decisions, recent applications, and its relation to other 3D standards like IFC, X3D, and KML.